paperen's recent timeline updates
paperen

paperen

less is more
V2EX member #13551, joined on 2011-11-11 01:07:30 +08:00
paperen's recent replies
Apr 10, 2016
Replied to a topic by Specs MySQL 关于 MySQL 索引的几个问题
@Specs @Infernalzero 问下如果分别给 a 、 b 、 c 、 d 字段加索引 与 使用组合索引 在优化上会有什么区别?
程序员上下班的过程看看书或放松一下不更好
About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Solana   ·   4309 Online   Highest 6679   ·     Select Language
创意工作者们的社区
World is powered by solitude
VERSION: 3.9.8.5 · 14ms · UTC 00:59 · PVG 08:59 · LAX 17:59 · JFK 20:59
♥ Do have faith in what you're doing.